package com.sky.mapper;


import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {




    //条件查询
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    //更新商品数量
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updeteNumberById(ShoppingCart shoppingCart);

    void insert(ShoppingCart shoppingCart);

    //清空购物车
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long currentId);


}
